Classification of Organic Compounds

Which two compounds both belong to the same homologous series?

• C2H₄ and C₂H₆

• C₂H₅OH and C₃H₇OH

• C₂H₅Br and C₄H₉Br

• HCOOCH₃ and HCOOCH₂CH₃

How many different structural isomers of C5H12 exist?

• 1

• 2

• 3

• 4

Applying IUPAC nomenclature, what is the name of the molecule below? (Image of molecule)

• 2-methyl-2-ethylpropane

• 2,2-dimethylbutane

• hexane

• 2-methylpentane

Which compound is an ether?

• CH₃COOH

• CH₃CHO

• CH₃COCH₃

• CH₃OCH₃

Which compound is a secondary haloalkane?

• CH₃CH₂CH₂CH₂I

• (CH₃)3CBr

• CH₃CHClCH₂CH₃

• (CH₃)₂CHCH₂Br

Which pair of compounds are functional group structural isomers?

• HCOOCH₂CH₃ and CH₃CH₂COOH

• CH₃CH₂COOCH₃ and CH₃COOCH₃

• CH₃CH₂COOCH₃ and CH₃COOCH₂CH₃

• CH₃CH(OH)CH₂CH₃ and CH₃CH₂CH₂CH₂OH

Which compound has the lowest boiling point?

• CH₃CH₂CH₂CH₂CH₃

• C(CH₃)₄

• CH₃CH(CH₃)CH₂CH₃

• They are all the same

Which functional group appears in the compound below?

• ester

• alkoxy

• hydroxyl

• carboxyl

What is the molecular formula of ibuprofen, shown in the diagram below?

• C₁₃H₁₈O₂

• C₁₀H₁₂O₂

• C₉H₁₀O₂

• C₈H₁₄O₂

Which statement about the reaction between methane and chlorine is correct?

• It involves heterolytic fission and Cl⁻ ions.

• It involves heterolytic fission and Cl• radicals.

• It involves homolytic fission and Cl⁻ ions.

• It involves homolytic fission and Cl• radicals.